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The DAO was a digital decentralized autonomous organization [5] and a form of investor-directed venture capital fund. [6] After launching in April 2016 via a token sale, it became one of the largest crowdfunding campaigns in history, [6] but it ceased activity after much of its funds - in the form of US$ exchanged for "Ether-crypto coins" - were taken in a hack in June 2016.
Cryptojacking is the act of exploiting a computer to mine cryptocurrencies, often through websites, [1] [2] [3] against the user's will or while the user is unaware. [4] One notable piece of software used for cryptojacking was Coinhive, which was used in over two-thirds of cryptojacks before its March 2019 shutdown. [5]
The signals moving between the smartcard and the receiver can be intercepted and analyzed. They can also be vulnerable to an attack by which the incoming power and clock signals are disrupted for a short and carefully timed length of time (such as a millionth of a second) in order to cause the processor to skip an instruction.
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On July 15, 2020, between 20:00 and 22:00 UTC, 130 high-profile Twitter accounts were reportedly compromised by outside parties to promote a bitcoin scam. [1] [2] Twitter and other media sources confirmed that the perpetrators had gained access to Twitter's administrative tools so that they could alter the accounts themselves and post the tweets directly.
Finney downloaded the bitcoin software the day it was released, and received 10 bitcoins from Nakamoto in the world's first bitcoin transaction on 12 January 2009 (block 170). [ 25 ] [ 26 ] Other early supporters were Wei Dai , creator of bitcoin predecessor b-money , and Nick Szabo , creator of bitcoin predecessor bit gold . [ 16 ]
Many trading strategies rely on analyzing data derived from historical price data, volume, etc. Options traders often use the greeks which are provided by some market data platforms in conjunction with stock options data. There are also a wide variety of technical indicators which day traders may rely on as signals of future price movement.
A dictionary attack is based on trying all the strings in a pre-arranged listing. Such attacks originally used words found in a dictionary (hence the phrase dictionary attack); [2] however, now there are much larger lists available on the open Internet containing hundreds of millions of passwords recovered from past data breaches. [3]